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Your search for "radioactive" returned 183 results
How Gas Lanterns Work
home.howstuffworks.com/gas-lantern.htm
Whether you're out camping or in the midst of a power outage, gas lanterns are handy devices. Did you know they're radioactive? Find out how these lanterns produce light.
Why would you take poison as medicine?
health.howstuffworks.com/medicine/modern-technology/poison-as-medicine.htm
Can you really take poison as medicine? Learn about both ancient and cutting-edge ways that poison acts as medicine.
Kilonovas Are Some of the Biggest, Baddest Stellar Blasts in Space
science.howstuffworks.com/kilonovas-are-biggest-baddest-stellar-blasts-in-space.htm
Get ready for the most powerful electromagnetic explosion the universe has ever known.
How Old Is Earth and How Did Scientists Figure It Out?
science.howstuffworks.com/how-old-is-earth.htm
In 1953, CalTech geochemist Clair Patterson came up with an estimate for Earth's age that still holds today.
What If Earth's Core Cooled Down?
science.howstuffworks.com/science-vs-myth/what-if/what-if-earths-core-cooled-down.htm
The core of our planet is about as hot as the sun. Could it ever cool down? That's one thing you don't want to happen.
Can You Ace This 12th Grade Physics Quiz?
play.howstuffworks.com/quiz/can-you-ace-this-12th-grade-physics-quiz
You're gonna have to get PHYSIC-al with this quiz. It's so easy, a high schooler can do it! Actually, some of them can't. Do you think you can get a better score than a 12th-grader?
Some Space Junk Fell Through Your Roof. Who'll Pay to Fix That?
Space isn't so far away, and falling junk can cause personal and property damage. What to do? The risk and remedies aren't completely clear.
How Smoke Detectors Work
home.howstuffworks.com/home-improvement/household-safety/smoke.htm
As the saying goes, "Where there's smoke, there's fire." Smoke detectors are amazing: They're pretty inexpensive, but they save thousands of lives each year. Learn all about nuclear and light-sensing smoke detectors.
Alkali Metals: Elements in the First Column of the Periodic Table
science.howstuffworks.com/alkali-metals.htm
Although the term might be unfamiliar, you know all about alkali metals. Ever used salt or eaten a banana? So, what special properties do these elements have?
What do the big diamond-shaped signs with red yellow and blue diamonds mean?
people.howstuffworks.com/question327.htm
Many buildings in my area have a big red, yellow and blue diamond-shaped sign with numbers on it. Do you know what this sign means?